1if (n >= m + 1) {
2  for (int c0 = 0; c0 < n; c0 += 1)
3    for (int c2 = 0; c2 < n; c2 += 1)
4      A(c0, c2);
5} else {
6  for (int c0 = 0; c0 < n; c0 += 1)
7    for (int c2 = 0; c2 < n; c2 += 1)
8      A(c0, c2);
9}
10